1971年 Hanke 曾正式报告圆形肺不张,1983年已积累近100例。1980年 Sinner 报告了55例的总结经验。开始多是些来自北欧的报告,1980年后欧美才逐渐熟悉本病。国内已有零星病例的报告。国内外报告中屡有因怀疑为肺癌或其他疾病而手术的,故提高对本病的认识有助于避免延误诊断及免除病人遭受不必要的手 In 1971 Hanke had formally reported a round of atelectasis, in 1983 has accumulated nearly 100 cases. Sinner reported 55 lessons learned in 1980. The beginning is mostly from the Nordic report, after 1980, Europe and the United States was gradually familiar with the disease. Domestic sporadic cases have been reported. Domestic and international reports have frequently been suspected of being lung cancer or other diseases and surgery, so raising awareness of the disease helps to avoid delays in diagnosis and to exempt patients from unnecessary hand